[session] Move hook control constants out of the class
There is no reason for them to not be global. This will ease they use by
Transaction object.
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^build$
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\~$
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\.swp$
^doc/book/en/apidoc$
\.old$
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.*/data/database/.*\.sqlite
.*/data/database/.*\.config
.*/data/database/tmpdb.*
.*/data/ldapdb/.*
^doc/html/
^doc/doctrees/
^doc/book/en/devweb/js_api/